*{
    margin: 0;
    padding: 0;
}
body{
    background-color: #78e3e9;
}
.container{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    width: 238px;
    /* background-color: white; */
}
.ball{
    background-color: white;
    border: 8px solid;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: inline-block;
    position: relative;
}
.face{
    width: 70px;
    height: 30px;
    position: absolute;
    right: 0;
    top: 30px;
}
/* 伪元素选择器
   css 声明，像html一样来用，不需要再html里面声明
 一定要有content元素 忍者 */
/* 元素内容开始之前 */
.face::after,.face::before{
    content: "";
    content: "";
    position: absolute;
    width: 18px;
    height: 8px;
    background-color: aquamarine;
    top: 20px;
    right: -8px;
    border-radius: 50%;
}

.face::before{
    right: -8px;
}
/* 元素内容开始之后 */
.face::after{
    left: -5px;
}
.eye{
    width: 15px;
    height: 14px;
    border-radius: 50%;
    border-bottom: 5px solid;
    position: absolute;
}
.eye-l{
    left: 10px;
}
.eye-r{
    right: 5px;
}
.eye-r-p{
    border-top: 5px solid;
    border-bottom: 0px solid;
}
.mouth{
    width: 30px;
    height: 14px;
    border-radius: 50%;
    border-bottom: 5px solid;
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    transform: translate(3px);
    margin: auto;/*平分左右的margin*/
}

/* 动画 */
#l-ball{
    animation: close 4s ease infinite;
    position: relative;
    z-index: 100;
}
@keyframes close {
    0% {
        transform: translate(0);
    }
    20% {
        transform: translate(20px);
    }
    35% {
        transform: translate(20px);
    }
    55% {
        transform: translate(0px);
    }
    100% {
        transform: translate(0px);
    }
}
.face-l {
    animation: face 4s ease infinite;
}
@keyframes face{
    0% {
        transform: translate(0) rotate(0);
    }
    10% {
        transform: translate(0) rotate(0);
    }
    20% {
        transform: translate(5px) rotate(-2deg);
    }
    28% {
        transform: translate(0) rotate(0);
    }
    35% {
        transform: translate(5px) rotate(-2deg);
    }
    50% {
        transform: translate(0) rotate(0);
    }
    100% {
        transform: translate(0) rotate(0);
    }
}
#r-ball {
    animation: kiss 4s ease infinite;
}
@keyframes kiss {
    40% {
        transform: translate(0);
    }
    50% {
        transform: translate(30px) rotate(20deg);
    }
    60% {
        transform: translate(-33px);
    }
    67% {
        transform: translate(-33px);
    }
    77% {
        transform: translate(0);
    }
    100% {
        transform: translate(0);
    }
}

.mouth-r {
    animation: mouth-m 4s ease infinite;
}
@keyframes mouth-m{
    0% {
        opacity: 1;
    }
    54.9% {
        opacity: 1;
    }
    55% {
        opacity: 0;
    }
    66% {
        opacity: 0;
    }
    66.1% {
        opacity: 1;
    }
}
.kiss-m {
    position:absolute;
    left: 20px;
    top: 22px;
    opacity: 0;
    animation: kiss-m 4s ease infinite;
}
.kiss {
    width: 13px;
    height: 10px;
    border-color: white;
    border-left: 5px solid;
    border-radius: 50%;
}
@keyframes kiss-m{
    0% {
        opacity: 0;
    }
    55% {
        opacity: 0;
    }
    66% {
        opacity: 1;
    }
    66.1% {
        opacity: 0;
    }
}
.face-r {
    left: 0;
    top: 37px;
}